Finding the Fourth Proportional to 35,985,724.80, 49,661,484.48 and 19,687,827.84
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Solution
The fourth proportional to 35,985,724.80, 49,661,484.48 and 19,687,827.84 is: 27,169,850.33
Step by Step Solution
- Step 1: Write the proportion equation
35,985,724.80 : 49,661,484.48 = 19,687,827.84 : x - Step 2: Convert to fraction form
35,985,724.80/49,661,484.48 = 19,687,827.84/x - Step 3: Cross multiply
35,985,724.80x = 49,661,484.48 × 19,687,827.84 - Step 4: Simplify right side
35,985,724.80x = 977,726,756,721,071.88 - Step 5: Solve for x
x = 977,726,756,721,071.88/35,985,724.80 - Step 6: Final answer
x = 27,169,850.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.